Home / 15,018.70-22,531.26-4,489.56

Finding the Fourth Proportional to 15,018.70, 22,531.26 and 4,489.56

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Solution

The fourth proportional to 15,018.70, 22,531.26 and 4,489.56 is: 6,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,018.70 : 22,531.26 = 4,489.56 : x
  2. Step 2: Convert to fraction form
    15,018.70/22,531.26 = 4,489.56/x
  3. Step 3: Cross multiply
    15,018.70x = 22,531.26 × 4,489.56
  4. Step 4: Simplify right side
    15,018.70x = 101,155,443.65
  5. Step 5: Solve for x
    x = 101,155,443.65/15,018.70
  6. Step 6: Final answer
    x = 6,735.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.